[ Cartographie de la vulnérabilité à la contamination des eaux du barrage 9 Avril 1947 (Maroc, Septentrional) ]
Volume 10, Issue 1, January 2015, Pages 250–259
Ismail Hilal1, Amina Azouagh2, Jamal Stitou El Messari3, Mohamed Reda Aoulad Mansour4, and Mohamed Draoui5
1 Department of Geology, University Abdelmalek Essaadi, faculty of sciences, Tétouan, Morocco
2 Department of Geology, University Abdelmalek Essaadi, faculty of sciences, Tétouan, Morocco
3 Department of Geology, University Abdelmalek Essaadi, Faculty of Sciences, Tétouan, Morocco
4 Department of Geology, University Abdelmalek Essaadi, faculty of sciences, Tétouan, Morocco
5 Département des sciences de la matière et de la vie, Ecole Normale Supérieure, Université Abdel Malek Essaâdi, Tétouan, Morocco
Original language: French
Copyright © 2015 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
April 9, 1947 dam in Morocco is known for its waters intense rate of pollution and its considerable anthropogenic activity. Unfortunately, no former studies were made to investigate its real pollution degree. In this work, we present a method for mapping the vulnerability assessment and the risk of pollution of surface water stored in this dam. For this, we introduced a vulnerability index called IV considering three different parameters which are slope, drainage density and the lithology. The index IV serves to characterize the transfer of a pollutant from the upstream to the downstream of a watershed. This index is the product of these three parameters. The superposition of these parameters through GIS software gave us a map of contamination vulnerability in the watershed. This map shows three vulnerability states: areas of high (72% of basin area), medium (25%) and low vulnerability (3%). Using this map, we can establish a zonation of areas that should be protected to reduce the high rate of contamination in this the dam.
Author Keywords: Protection zones, pollution, April 9, 1947 Dam, GIS, hydrology.
Volume 10, Issue 1, January 2015, Pages 250–259
Ismail Hilal1, Amina Azouagh2, Jamal Stitou El Messari3, Mohamed Reda Aoulad Mansour4, and Mohamed Draoui5
1 Department of Geology, University Abdelmalek Essaadi, faculty of sciences, Tétouan, Morocco
2 Department of Geology, University Abdelmalek Essaadi, faculty of sciences, Tétouan, Morocco
3 Department of Geology, University Abdelmalek Essaadi, Faculty of Sciences, Tétouan, Morocco
4 Department of Geology, University Abdelmalek Essaadi, faculty of sciences, Tétouan, Morocco
5 Département des sciences de la matière et de la vie, Ecole Normale Supérieure, Université Abdel Malek Essaâdi, Tétouan, Morocco
Original language: French
Copyright © 2015 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
April 9, 1947 dam in Morocco is known for its waters intense rate of pollution and its considerable anthropogenic activity. Unfortunately, no former studies were made to investigate its real pollution degree. In this work, we present a method for mapping the vulnerability assessment and the risk of pollution of surface water stored in this dam. For this, we introduced a vulnerability index called IV considering three different parameters which are slope, drainage density and the lithology. The index IV serves to characterize the transfer of a pollutant from the upstream to the downstream of a watershed. This index is the product of these three parameters. The superposition of these parameters through GIS software gave us a map of contamination vulnerability in the watershed. This map shows three vulnerability states: areas of high (72% of basin area), medium (25%) and low vulnerability (3%). Using this map, we can establish a zonation of areas that should be protected to reduce the high rate of contamination in this the dam.
Author Keywords: Protection zones, pollution, April 9, 1947 Dam, GIS, hydrology.
Abstract: (french)
Dans ce travail nous présentons une méthode d'évaluation et de cartographie de la vulnérabilité et du risque de pollution des eaux du barrage 9 Avril 1947 (Maroc). Ces eaux sont connues par un taux intense de la pollution et une activité anthropique considérable. Pour ce faire, nous avons introduit un indice de vulnérabilité dénommé Iv qui prend en considération la pente, la densité du drainage et la lithologie. Cet indice représente le produit de ces trois paramètres. La superposition des cartes thématiques des paramètres par le biais d'un logiciel SIG nous a donné la carte de la vulnérabilité à la contamination sur l'ensemble du bassin versant ; il s'agit des zones à forte(72% de la superficie du bassin), moyenne(25%) et faible vulnérabilité(3%).
Author Keywords: Zones de protection, pollution, Barrage 9 Avril 1947, SIG, hydrologie.
How to Cite this Article
Ismail Hilal, Amina Azouagh, Jamal Stitou El Messari, Mohamed Reda Aoulad Mansour, and Mohamed Draoui, “Mapping vulnerability to contamination of waters in the 9 April 1947 dam (Morocco, North),” International Journal of Innovation and Applied Studies, vol. 10, no. 1, pp. 250–259, January 2015.
